Home / 1,574,384.40-2,361,868.20-509,461.20

Finding the Fourth Proportional to 1,574,384.40, 2,361,868.20 and 509,461.20

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Solution

The fourth proportional to 1,574,384.40, 2,361,868.20 and 509,461.20 is: 764,286.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,384.40 : 2,361,868.20 = 509,461.20 : x
  2. Step 2: Convert to fraction form
    1,574,384.40/2,361,868.20 = 509,461.20/x
  3. Step 3: Cross multiply
    1,574,384.40x = 2,361,868.20 × 509,461.20
  4. Step 4: Simplify right side
    1,574,384.40x = 1,203,280,207,413.84
  5. Step 5: Solve for x
    x = 1,203,280,207,413.84/1,574,384.40
  6. Step 6: Final answer
    x = 764,286.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.